JPH0474043B2 - - Google Patents

Info

Publication number
JPH0474043B2
JPH0474043B2 JP61505968A JP50596886A JPH0474043B2 JP H0474043 B2 JPH0474043 B2 JP H0474043B2 JP 61505968 A JP61505968 A JP 61505968A JP 50596886 A JP50596886 A JP 50596886A JP H0474043 B2 JPH0474043 B2 JP H0474043B2
Authority
JP
Japan
Prior art keywords
membrane
water
cationic
reactive
solution
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
JP61505968A
Other languages
English (en)
Japanese (ja)
Other versions
JPS62502320A (ja
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of JPS62502320A publication Critical patent/JPS62502320A/ja
Publication of JPH0474043B2 publication Critical patent/JPH0474043B2/ja
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0081—After-treatment of organic or inorganic membranes
    • B01D67/0088—Physical treatment with compounds, e.g. swelling, coating or impregnation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0081—After-treatment of organic or inorganic membranes
    • B01D67/0093—Chemical modification
    • B01D67/00933—Chemical modification by addition of a layer chemically bonded to the membrane
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/08—Hollow fibre membranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/12—Composite membranes; Ultra-thin membranes
    • B01D69/125—In situ manufacturing by polymerisation, polycondensation, cross-linking or chemical reaction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/14—Dynamic membranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06—Organic material
    • B01D71/40—Polymers of unsaturated acids or derivatives thereof, e.g. salts, amides, imides, nitriles, anhydrides, esters
    • B01D71/401—Polymers based on the polymerisation of acrylic acid, e.g. polyacrylate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06—Organic material
    • B01D71/44—Polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds, not provided for in a single one of groups B01D71/26-B01D71/42
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06—Organic material
    • B01D71/46—Epoxy resins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06—Organic material
    • B01D71/52—Polyethers
    • B01D71/521—Aliphatic polyethers
    • B01D71/5211—Polyethylene glycol or polyethyleneoxide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06—Organic material
    • B01D71/66—Polymers having sulfur in the main chain, with or without nitrogen, oxygen or carbon only
    • B01D71/68—Polysulfones; Polyethersulfones
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06—Organic material
    • B01D71/72—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, not provided for in a single one of the groups B01D71/46 - B01D71/70 and B01D71/701 - B01D71/702
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06—Organic material
    • B01D71/76—Macromolecular material not specifically provided for in a single one of groups B01D71/08 - B01D71/74
    • B01D71/80—Block polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06—Organic material
    • B01D71/76—Macromolecular material not specifically provided for in a single one of groups B01D71/08 - B01D71/74
    • B01D71/82—Macromolecular material not specifically provided for in a single one of groups B01D71/08 - B01D71/74 characterised by the presence of specified groups, e.g. introduced by chemical after-treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/30—Cross-linking
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249955—Void-containing component partially impregnated with adjacent component
    • Y10T428/249958—Void-containing component is synthetic resin or natural rubbers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249962—Void-containing component has a continuous matrix of fibers only [e.g., porous paper, etc.]
    • Y10T428/249964—Fibers of defined composition
    • Y10T428/249965—Cellulosic
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249971—Preformed hollow element-containing
    • Y10T428/249972—Resin or rubber element
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249978—Voids specified as micro

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
JP61505968A 1985-10-22 1986-10-17 カチオン性基と求核性基との反応により製造される半透膜 Granted JPS62502320A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US790287 1985-10-22
US06/790,287 US4704324A (en) 1985-04-03 1985-10-22 Semi-permeable membranes prepared via reaction of cationic groups with nucleophilic groups

Publications (2)

Publication Number Publication Date
JPS62502320A JPS62502320A (ja) 1987-09-10
JPH0474043B2 true JPH0474043B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1992-11-25

Family

ID=25150231

Family Applications (1)

Application Number Title Priority Date Filing Date
JP61505968A Granted JPS62502320A (ja) 1985-10-22 1986-10-17 カチオン性基と求核性基との反応により製造される半透膜

Country Status (9)

Country Link
US (2) US4704324A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
EP (1) EP0220660B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS62502320A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
AU (1) AU573465B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA1298739C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE3684227D1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IL (1) IL80395A0 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
WO (1) WO1987002682A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
ZA (1) ZA868031B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (171)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH656626A5 (fr) * 1982-02-05 1986-07-15 Pall Corp Membrane en polyamide, presentant des proprietes de surface controlees, son utilisation et son procede de preparation.
US4704324A (en) * 1985-04-03 1987-11-03 The Dow Chemical Company Semi-permeable membranes prepared via reaction of cationic groups with nucleophilic groups
US4929556A (en) * 1986-02-06 1990-05-29 The Dow Chemical Company Enzyme immobilization with polysulfonium salts
US4927540A (en) * 1986-09-04 1990-05-22 The Dow Chemical Company Ionic complex for enhancing performance of water treatment membranes
US4888116A (en) * 1987-01-15 1989-12-19 The Dow Chemical Company Method of improving membrane properties via reaction of diazonium compounds or precursors
US4812238A (en) * 1987-01-15 1989-03-14 The Dow Chemical Company Membranes prepared via reaction of diazonium compounds or precursors
US4871461A (en) * 1987-01-22 1989-10-03 The General Director Of The Agency Of Industrial Science And Technology Polymer composite membrane
DE3704307A1 (de) * 1987-02-12 1988-08-25 Dow Chemical Gmbh Komplexbildendes harz des geltyps und seine verwendung zur verringerung der konzentration mehrwertiger erdalkali- und/oder schwermetallionen in loesungen
US4909943A (en) * 1987-07-20 1990-03-20 The Dow Chemical Company Rejection enhancing coatings for reverse osmosis membranes
US4894165A (en) * 1987-07-20 1990-01-16 The Dow Chemical Company Rejection enhancing coatings for reverse osmosis membranes
US4828700A (en) * 1987-07-20 1989-05-09 The Dow Chemical Company Rejection enhancing coatings for reverse osmosis membranes
US5013448A (en) * 1989-04-11 1991-05-07 Allied-Signal Inc. Process for the preparation of chlorine-resistant polyester semipermeable membranes
US5039421A (en) * 1989-10-02 1991-08-13 Aligena Ag Solvent stable membranes
US5024765A (en) * 1989-10-02 1991-06-18 Aligena Ag Composite membranes and processes using them
US5464538A (en) * 1989-12-29 1995-11-07 The Dow Chemical Company Reverse osmosis membrane
US5580650A (en) * 1989-12-29 1996-12-03 The Dow Chemical Company Process of preparing a composite membrane
US5238747A (en) * 1989-12-29 1993-08-24 The Dow Chemical Company Photocurable compositions
US5310581A (en) * 1989-12-29 1994-05-10 The Dow Chemical Company Photocurable compositions
US5021160A (en) * 1990-01-09 1991-06-04 Gelman Sciences, Inc. Strongly acidic microporous membranes for cation exchange
NL9001273A (nl) * 1990-06-06 1992-01-02 Tno Semi-permeabel composietmembraan.
SE9004129D0 (sv) * 1990-12-21 1990-12-21 Pharmacia Lkb Biotech Anion exchanger
US5252212A (en) * 1991-08-21 1993-10-12 Fg&G Idaho Inc. Spray forming polymer membranes, coatings and films
US5205934A (en) * 1991-08-30 1993-04-27 Membrane Products Kiryat Weitzman Ltd. Silicone-derived solvent stable membranes
US5265734A (en) * 1991-08-30 1993-11-30 Membrane Products Kiryat Weitzman Ltd. Silicon-derived solvent stable membranes
US5151182A (en) * 1991-08-30 1992-09-29 Membrane Products Kiryat Weizmann Ltd. Polyphenylene oxide-derived membranes for separation in organic solvents
US5178765A (en) * 1991-09-18 1993-01-12 Gelman Sciences Inc. Hydrophilic membranes prepared from polyethersulfone/poly-2-oxazoline/polyvinylpyrrolidone blend
AU4033193A (en) * 1991-12-30 1994-11-08 Dow Chemical Company, The Photocurable compositions
KR960700297A (ko) * 1993-01-15 1996-01-19 로날드 에이. 블리이커 이온 교환막 및 그 제조방법
DE4409906C1 (de) * 1994-03-23 1995-05-11 Metallgesellschaft Ag Komposit-Membran und ein Verfahren zu ihrer Herstellung
US6126901A (en) * 1994-10-17 2000-10-03 Thermo Power Corporation Detecting low levels of radionuclides in fluids
US5652013A (en) * 1994-10-17 1997-07-29 Thermo Power Corporation Chemical enhancement of surface deposition
US5598874A (en) * 1995-08-11 1997-02-04 Mg Generon, Inc. Loom processing of hollow fiber membranes
US5686024A (en) * 1995-12-18 1997-11-11 Rhone-Poulenc Surfactants & Specialties, L.P. Aqueous dispersion of a surface active polymer having enhanced performance properties
US5674934A (en) * 1996-02-23 1997-10-07 The Dow Chemical Company Reversible and irreversible water-based coatings
WO1998001208A1 (en) * 1996-07-08 1998-01-15 Memtec America Corporation Cationically charge-modified membranes
US5932361A (en) * 1996-10-21 1999-08-03 Belyakov; Vladimir Nikolaevich Ceramic based membranes
GB9624130D0 (en) * 1996-11-20 1997-01-08 Biocompatibles Ltd Biocompatible compositions
CA2551202C (en) * 1996-12-20 2010-10-26 Usf Filtration And Separations Group, Inc. Scouring method
US5817159A (en) * 1996-12-31 1998-10-06 Cahill; Scott A. Filter with interpenetrating polymer network that biodegrades
WO1998047937A1 (en) * 1997-04-23 1998-10-29 Joseph Thomas Ippoliti Amphoteric polymer with ph-adjustable ionic characteristics
US5997952A (en) * 1997-05-23 1999-12-07 The Dow Chemical Company Fast-setting latex coating and formulations
US5910532A (en) * 1997-05-29 1999-06-08 The Dow Chemical Company Multisolvent-based film-forming compositions
US5959016A (en) * 1997-07-31 1999-09-28 The Dow Chemical Company Composition for preparing a solvent-resistant coating
US6025404A (en) * 1998-02-20 2000-02-15 The Dow Chemical Company Rapid set latexes and foamed articles prepared therefrom
US6191211B1 (en) 1998-09-11 2001-02-20 The Dow Chemical Company Quick-set film-forming compositions
US6361921B1 (en) 1998-11-12 2002-03-26 Andrew Michael Thompson Priming composition for bonding photoresists on substrates
CA2300519C (en) * 1999-03-19 2008-02-12 Bend Research, Inc. Solvent-resistant microporous polybenzimidazole membranes
US6183640B1 (en) 1999-04-09 2001-02-06 Usf Filtration And Separations Group, Inc. Highly asymmetric anionic membranes
HK1046649A1 (zh) 1999-07-21 2003-01-24 The Procter & Gamble Company 微生物过滤器和从水中清除微生物的方法
AUPR143400A0 (en) * 2000-11-13 2000-12-07 Usf Filtration And Separations Group Inc. Modified membranes
AUPR421501A0 (en) 2001-04-04 2001-05-03 U.S. Filter Wastewater Group, Inc. Potting method
US6688477B2 (en) * 2001-05-03 2004-02-10 Air Products And Chemicals, Inc. Composite membranes
AUPR584301A0 (en) * 2001-06-20 2001-07-12 U.S. Filter Wastewater Group, Inc. Membrane polymer compositions
AUPR692401A0 (en) * 2001-08-09 2001-08-30 U.S. Filter Wastewater Group, Inc. Method of cleaning membrane modules
US7614507B2 (en) 2001-08-23 2009-11-10 Pur Water Purification Products Inc. Water filter materials, water filters and kits containing particles coated with cationic polymer and processes for using the same
KR100777951B1 (ko) 2001-08-23 2007-11-28 더 프록터 앤드 갬블 캄파니 정수 필터 재료, 대응하는 정수 필터 및 그의 사용 방법
US20050279696A1 (en) 2001-08-23 2005-12-22 Bahm Jeannine R Water filter materials and water filters containing a mixture of microporous and mesoporous carbon particles
US7614508B2 (en) 2001-08-23 2009-11-10 Pur Water Purification Products Inc. Water filter materials, water filters and kits containing silver coated particles and processes for using the same
US7615152B2 (en) 2001-08-23 2009-11-10 Pur Water Purification Products, Inc. Water filter device
US7247238B2 (en) * 2002-02-12 2007-07-24 Siemens Water Technologies Corp. Poly(ethylene chlorotrifluoroethylene) membranes
US7276624B2 (en) * 2002-05-14 2007-10-02 E. I. Du Pont De Nemours And Company Fluorosulfates of hexafluoroisobutylene and its higher homologs
AUPS300602A0 (en) * 2002-06-18 2002-07-11 U.S. Filter Wastewater Group, Inc. Methods of minimising the effect of integrity loss in hollow fibre membrane modules
US7235164B2 (en) 2002-10-18 2007-06-26 Eksigent Technologies, Llc Electrokinetic pump having capacitive electrodes
US7938966B2 (en) * 2002-10-10 2011-05-10 Siemens Water Technologies Corp. Backwash method
US7087692B2 (en) * 2002-11-27 2006-08-08 Galaxy Surfactants Ltd Salt and heat sensitive, substantive UV-absorbing polymers
AU2002953111A0 (en) * 2002-12-05 2002-12-19 U. S. Filter Wastewater Group, Inc. Mixing chamber
US20040112741A1 (en) * 2002-12-17 2004-06-17 Murdoch Karen E. Method and system for producing dry gas
AU2003903507A0 (en) * 2003-07-08 2003-07-24 U. S. Filter Wastewater Group, Inc. Membrane post-treatment
WO2005021140A1 (en) 2003-08-29 2005-03-10 U.S. Filter Wastewater Group, Inc. Backwash
CA2544626C (en) 2003-11-14 2016-01-26 U.S. Filter Wastewater Group, Inc. Closed aeration and backwash device for use with membrane filtration module
WO2005092799A1 (en) 2004-03-26 2005-10-06 U.S. Filter Wastewater Group, Inc. Process and apparatus for purifying impure water using microfiltration or ultrafiltration in combination with reverse osmosis
EP2380854A3 (en) 2004-04-22 2012-07-04 Siemens Industry, Inc. Filtration apparatus comprising a membrane bioreactor and a treatment vessel for digesting organic materials
US7604746B2 (en) * 2004-04-27 2009-10-20 Mcmaster University Pervaporation composite membranes
CN102512986A (zh) * 2004-07-02 2012-06-27 西门子工业公司 气体可透膜
US8524794B2 (en) 2004-07-05 2013-09-03 Siemens Industry, Inc. Hydrophilic membranes
CA2577137C (en) * 2004-08-20 2014-04-22 Siemens Water Technologies Corp. Membrane modules with gas and filtrate conduits and racks formed therefrom
CN101043933B (zh) * 2004-09-07 2012-09-05 西门子工业公司 反洗废液的减少
AU2005284677B2 (en) 2004-09-14 2010-12-23 Evoqua Water Technologies Llc Methods and apparatus for removing solids from a membrane module
EP1807181A4 (en) 2004-09-15 2009-04-22 Siemens Water Tech Corp CONTINUOUS ADJUSTABLE VENTILATION
JP4868108B2 (ja) 2004-10-18 2012-02-01 栗田工業株式会社 透過膜の阻止率向上剤、阻止率向上方法、透過膜及び水処理方法
US20090026139A1 (en) * 2004-11-02 2009-01-29 Fufang Zha Submerged cross-flow filtration
US7591950B2 (en) * 2004-11-02 2009-09-22 Siemens Water Technologies Corp. Submerged cross-flow filtration
ES2365928T3 (es) * 2004-12-03 2011-10-13 Siemens Industry, Inc. Post-tratamiento de membranas.
EP2394731A1 (en) 2004-12-24 2011-12-14 Siemens Industry, Inc. Cleaning in membrane filtration systems
EP1838422A4 (en) 2004-12-24 2009-09-02 Siemens Water Tech Corp EASY GAS FLUSHING PROCESS AND APPROPRIATE DEVICE
CA2605757A1 (en) 2005-04-29 2006-11-09 Siemens Water Technologies Corp. Chemical clean for membrane filter
CN101203554A (zh) * 2005-06-20 2008-06-18 西门子水技术公司 聚合物膜的交联处理
KR20080031956A (ko) 2005-07-14 2008-04-11 지멘스 워터 테크놀로지스 코포레이션 막의 모노퍼술페이트 처리 방법
KR100821486B1 (ko) * 2005-08-08 2008-04-10 주식회사 코오롱 나노 복합중공사막 및 그의 제조방법
JP2009504399A (ja) * 2005-08-22 2009-02-05 シーメンス・ウォーター・テクノロジーズ・コーポレーション 管状マニホールドを使用して逆洗を最小化する水濾過のためのアセンブリ
WO2007044345A2 (en) * 2005-10-05 2007-04-19 Siemens Water Technologies Corp. Method and apparatus for treating wastewater
WO2007044415A2 (en) 2005-10-05 2007-04-19 Siemens Water Technologies Corp. Method and apparatus for treating wastewater
US20070224055A1 (en) 2005-11-23 2007-09-27 Anex Deon S Electrokinetic pump designs and drug delivery systems
US20070187244A1 (en) * 2005-12-13 2007-08-16 Bio-Rad Laboratories, Inc. Composite Membrane To Capture Analyte Transfers From Gels
US7455765B2 (en) 2006-01-25 2008-11-25 Siemens Water Technologies Corp. Wastewater treatment system and method
WO2007135689A2 (en) 2006-05-24 2007-11-29 Ben Gurion University Of The Negev R&D Authority Membranes, coatings and films and methods for their preparation
MY145939A (en) * 2006-07-14 2012-05-31 Siemens Industry Inc Improved monopersulfate treatment of membranes
US20080245736A1 (en) * 2006-08-11 2008-10-09 Millipore Corporation Crosslinked cellulosic nanofiltration membranes
WO2008051546A2 (en) 2006-10-24 2008-05-02 Siemens Water Technologies Corp. Infiltration/inflow control for membrane bioreactor
EP2084716B1 (en) * 2006-11-13 2012-04-04 Canon Kabushiki Kaisha Polymer electrolyte membrane and method for producing polymer electrolyte membrane
JP4921565B2 (ja) * 2007-02-05 2012-04-25 ダウ グローバル テクノロジーズ エルエルシー 修飾ポリアミド膜
WO2008123972A1 (en) 2007-04-02 2008-10-16 Siemens Water Technologies Corp. Improved infiltration/inflow control for membrane bioreactor
US9764288B2 (en) 2007-04-04 2017-09-19 Evoqua Water Technologies Llc Membrane module protection
CN101790411B (zh) 2007-05-29 2013-07-10 西门子工业公司 使用脉冲气提泵的膜清洗
WO2009076134A1 (en) 2007-12-11 2009-06-18 Eksigent Technologies, Llc Electrokinetic pump with fixed stroke volume
US8216473B2 (en) 2008-06-13 2012-07-10 Solution Dynamics, Llc Apparatus and methods for solution processing using reverse osmosis
CN102112213B (zh) 2008-07-24 2016-08-03 伊沃夸水处理技术有限责任公司 用于膜过滤模块的框架系统
US8652331B2 (en) 2008-08-20 2014-02-18 Siemens Water Technologies Llc Membrane system backwash energy efficiency
SG10201405860RA (en) 2009-01-13 2014-11-27 Ams Technologies Int 2012 Ltd Solvent and acid stable membranes, methods of manufacture thereof and methods of use thereof inter alia for separating metal ions from liquid process streams
US8710109B2 (en) 2009-02-19 2014-04-29 Ben Gurion University Of The Negev Research And Development Authority Chemically resistant membranes, coatings and films and methods for their preparation
TWI398353B (zh) * 2009-03-02 2013-06-11 Ind Tech Res Inst 奈米纖維材料與脫鹽過濾材料
US8366811B2 (en) 2009-03-03 2013-02-05 Oridion Medical (1987) Ltd. Drying substances, preparation and use thereof
US8747752B2 (en) * 2009-03-03 2014-06-10 Oridion Medical (1987) Ltd. Drying substances, preparation and use thereof
US9067035B2 (en) * 2009-03-03 2015-06-30 Oridion Medical (1987) Ltd. Drying substances, preparation and use thereof
SG174346A1 (en) 2009-03-19 2011-11-28 Millipore Corp Removal of microorganisms from fluid samples using nanofiber filtration media
AU2010257526A1 (en) 2009-06-11 2012-01-12 Siemens Industry, Inc Methods for cleaning a porous polymeric membrane and a kit for cleaning a porous polymeric membrane
WO2011023587A2 (de) * 2009-08-24 2011-03-03 Basf Se Verwendung von polyelektrolytkomplexen zur herstellung von polymerfolien mit sauerstoffbarriereeigenschaften
SG169305A1 (en) 2009-08-26 2011-03-30 Siemens Pte Ltd Ion exchange membranes
US20110147308A1 (en) * 2009-12-21 2011-06-23 Siemens Water Technologies Corp. Charged Porous Polymeric Membranes and Their Preparation
HUE045642T2 (hu) 2010-04-30 2020-01-28 Evoqua Water Tech Llc Folyadékáramlás elosztó készülék
ES2774949T3 (es) 2010-08-10 2020-07-23 Emd Millipore Corp Método para la eliminación de retrovirus
CN103118766B (zh) 2010-09-24 2016-04-13 伊沃夸水处理技术有限责任公司 膜过滤系统的流体控制歧管
CA2814701C (en) * 2010-10-15 2018-11-06 Siemens Industry, Inc. Process for making a monomer solution for making cation exchange membranes
ES2886889T3 (es) 2010-10-15 2021-12-21 Evoqua Water Tech Llc Membranas de intercambio aniónico y proceso para su producción
WO2012081026A2 (en) 2010-12-12 2012-06-21 Ben-Gurion University Of The Negev Research And Development Authority Anion exchange membranes, methods of preparation and uses
EA025253B1 (ru) * 2010-12-22 2016-12-30 Фрезениус Медикал Кэр Дойчланд Гмбх Мембрана без расслаивания, способ ее получения и ее применение
CN105413480B (zh) 2011-04-01 2019-03-29 Emd密理博公司 含有纳米纤维的复合材料结构
WO2012151586A1 (en) 2011-05-05 2012-11-08 Eksigent Technologies, Llc Gel coupling for electrokinetic delivery systems
JP5689765B2 (ja) * 2011-07-29 2015-03-25 富士フイルム株式会社 二酸化炭素分離部材、その製造方法及び二酸化炭素分離モジュール
HUE058060T2 (hu) 2011-09-30 2022-07-28 Rohm & Haas Electronic Mat Szigetelõ szelep
EP2763776B1 (en) 2011-09-30 2021-07-28 Rohm & Haas Electronic Materials Singapore Pte. Ltd Improved filtration module assembly
KR101440971B1 (ko) * 2012-01-05 2014-09-17 주식회사 엘지화학 내오염성이 우수한 역삼투막 및 그 제조방법
US9205384B2 (en) * 2012-05-31 2015-12-08 Lg Chem, Ltd. High permeate flux reverse osmosis membrane including carbodiimide compound and method of manufacturing the same
CN104394965B (zh) 2012-06-28 2016-11-23 伊沃夸水处理技术有限责任公司 灌封方法
KR20150054918A (ko) 2012-09-14 2015-05-20 에보쿠아 워터 테크놀로지스 엘엘씨 막을 위한 중합체 블렌드
AU2013231145B2 (en) 2012-09-26 2017-08-17 Evoqua Water Technologies Llc Membrane potting methods
DE112013004713T5 (de) 2012-09-26 2015-07-23 Evoqua Water Technologies Llc Membransicherungsvorrichtung
KR20150059788A (ko) 2012-09-27 2015-06-02 에보쿠아 워터 테크놀로지스 엘엘씨 침지된 막을 위한 가스 스코어링 장치
WO2014055123A1 (en) 2012-10-04 2014-04-10 Evoqua Water Technologies Llc High-performance anion exchange membranes and methods of making same
GB2522358A (en) * 2012-10-11 2015-07-22 Evoqua Water Technologies Llc Ion exchange membranes and methods of making the same
CA2887132C (en) * 2012-10-11 2020-07-21 Evoqua Water Technologies Llc Coated ion exchange membranes
US12350627B2 (en) 2013-02-28 2025-07-08 Aqua Membranes, Inc. Permeate flow patterns
US10427102B2 (en) 2013-10-02 2019-10-01 Evoqua Water Technologies Llc Method and device for repairing a membrane filtration module
ES2962695T3 (es) 2014-06-26 2024-03-20 Emd Millipore Corp Dispositivo de filtración de fluidos con capacidad de retención de suciedad mejorada
US9782727B2 (en) 2014-07-14 2017-10-10 International Business Machines Corporation Filtration membranes with functionalized star polymers
CN107074759B (zh) * 2014-09-26 2021-12-14 东京应化工业株式会社 锍盐、光产酸剂及感光性组合物
US10005042B2 (en) 2015-02-16 2018-06-26 International Business Machines Corporation Thin film composite forward osmosis membranes with performance enhancing layers
US9931598B2 (en) 2015-02-16 2018-04-03 International Business Machines Corporation Anti-fouling coatings with star polymers for filtration membranes
KR20170113638A (ko) 2015-04-17 2017-10-12 이엠디 밀리포어 코포레이션 접선방향 유동 여과 모드에서 작동되는 나노섬유 한외여과막을 사용하여 샘플에서 목적하는 생물학적 물질을 정제하는 방법
CN104888606B (zh) * 2015-05-21 2017-03-01 浙江大学 基于聚丙烯酸钠‑阳离子表面活性剂复合物渗透汽化优先透醇膜的制备方法
AU2016294153B2 (en) 2015-07-14 2022-01-20 Evoqua Water Technologies Llc Aeration device for filtration system
CA2993007C (en) 2015-07-29 2023-04-04 Gradiant Corporation Osmotic desalination methods and associated systems
CN109952197A (zh) 2016-09-20 2019-06-28 阿夸曼布拉尼斯有限责任公司 渗透物流动图型
WO2018094287A1 (en) 2016-11-19 2018-05-24 Aqua Membranes Llc Interfernce patterns for spiral-wound elements
KR102551387B1 (ko) 2017-04-12 2023-07-04 아쿠아 멤브레인스 인코포레이티드 여과 권취 요소를 위한 단계적 스페이서
US11745143B2 (en) 2017-04-20 2023-09-05 Aqua Membranes, Inc. Mixing-promoting spacer patterns for spiral-wound elements
JP2020517423A (ja) 2017-04-20 2020-06-18 アクア メンブレインズ，インコーポレイテッド スパイラル巻き要素のための非ネスティング、非変形パターン
US11110400B2 (en) * 2017-05-10 2021-09-07 Northwestern University Porous polyelectrolyte complex films and foams and related methods
CN111107927A (zh) 2017-07-21 2020-05-05 默克密理博有限公司 无纺纤维膜
US11745144B2 (en) 2017-10-13 2023-09-05 Aqua Membranes Inc. Bridge support and reduced feed spacers for spiral-wound elements
CN108722208B (zh) * 2018-05-30 2020-09-15 哈尔滨工业大学（威海） 一种正电/负电Janus纳滤膜的制备方法
AU2019325567B2 (en) 2018-08-22 2025-06-26 Gradiant Corporation Liquid solution concentration system comprising isolated subsystem and related methods
WO2020068930A1 (en) * 2018-09-25 2020-04-02 Evoqua Water Technologies Llc Monovalent selective cation exchange membrane
EP3680005A1 (en) * 2019-01-10 2020-07-15 Gambro Lundia AB Membrane with immobilized anticoagulant and process for producing same
JP7667081B2 (ja) 2019-01-27 2025-04-22 アクア メンブレインズ，インコーポレイテッド 複合膜
WO2021025684A1 (en) 2019-08-06 2021-02-11 Aqua Membranes Inc. Preferred flow paths for spiral-wound elements
US11241657B2 (en) 2019-11-22 2022-02-08 Pall Corporation Filter for removing silica from ultra pure water and method of use
KR20230015898A (ko) 2020-04-07 2023-01-31 아쿠아 멤브레인스 인코포레이티드 독립 스페이서 및 방법
WO2022108891A1 (en) 2020-11-17 2022-05-27 Gradiant Corporaton Osmotic methods and systems involving energy recovery
CN112808034B (zh) * 2020-12-22 2022-07-29 浙江迪萧科技有限公司 一种复合疏松纳滤膜的制备方法
EP4457012A1 (en) 2021-12-28 2024-11-06 Aqua Membranes, Inc. Spiral membrane element tapered profile spacers

Family Cites Families (81)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2676166A (en) * 1952-04-01 1954-04-20 Du Pont Polymeric quaternary ammonium compounds
US2891025A (en) * 1954-08-30 1959-06-16 American Cyanamid Co Copolymer of acrylonitrile and a quaternary imidazolium compound, method of making same, and a spinning solution thereof
US3094494A (en) * 1959-01-26 1963-06-18 Rohm & Haas Improved ion exchange cellular products
LU39199A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1959-10-02
US3544499A (en) * 1961-05-25 1970-12-01 Dow Chemical Co Sulfonium modified water soluble surface coatings
US3276598A (en) * 1961-10-24 1966-10-04 Dow Chemical Co Supported dialysis membrane
DE1214985B (de) 1961-11-29 1966-04-21 Basf Ag Verwendung von Dispersionen kationischer Copolymerisate zum Leimen von Papier
US3335100A (en) * 1963-07-05 1967-08-08 Dow Chemical Co Polymers of sulfonium and quaternary ammonium moieties
US3269991A (en) * 1963-11-29 1966-08-30 Union Carbide Corp Ethylenically unsaturated sulfines and polymers thereof
US3419431A (en) * 1964-01-27 1968-12-31 Amicon Corp Polyelectrolyte gel separator and battery therewith
US3429839A (en) * 1965-04-23 1969-02-25 Ferrania Spa Epoxy polymer derived polymers containing quaternary phosphonium groups
US3510418A (en) * 1966-02-24 1970-05-05 Tokuyama Soda Kk Ion selective membrane
US3419430A (en) * 1966-09-26 1968-12-31 Amicon Corp Electrical energy device containing polyelectrolyte gel separator
US3578458A (en) * 1966-10-05 1971-05-11 Polaroid Corp Ionically cross-linked photopolymerized addition polymers
US3532527A (en) 1966-11-04 1970-10-06 Dow Chemical Co Permeable separatory membranes
US3494780A (en) * 1966-11-04 1970-02-10 Dow Chemical Co Method for enhancing permeability of separatory membranes
US3546142A (en) * 1967-01-19 1970-12-08 Amicon Corp Polyelectrolyte structures
US3467604A (en) * 1967-07-13 1969-09-16 Amicon Corp Moisture permeable polyion complex-resinous composites
US3567613A (en) 1968-05-10 1971-03-02 Grace W R & Co Method for flameproofing combustible materials
US3615024A (en) 1968-08-26 1971-10-26 Amicon Corp High flow membrane
US3567632A (en) * 1968-09-04 1971-03-02 Du Pont Permselective,aromatic,nitrogen-containing polymeric membranes
US3551331A (en) * 1969-09-22 1970-12-29 Du Pont Reverse osmosis separations using a treated polyamide membrane
US3637432A (en) * 1969-10-02 1972-01-25 Dow Chemical Co Preparation of inherently colloidally stable interpolymer latexes by a continuous addition polymerization technique and articles coated therewith
US3636052A (en) * 1969-10-15 1972-01-18 Dow Chemical Co Hydroxyarylpolymethylenesulfonium zwitterions
JPS501707B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1969-12-20 1975-01-21
US3744642A (en) * 1970-12-30 1973-07-10 Westinghouse Electric Corp Interface condensation desalination membranes
US3723386A (en) * 1971-03-29 1973-03-27 Dow Chemical Co Polymers from hydroxyarylmethylenesulfonium zwitterions
US3962165A (en) * 1971-06-29 1976-06-08 Ppg Industries, Inc. Quaternary ammonium salt-containing resin compositions
US3775172A (en) * 1972-01-07 1973-11-27 Ncr Process for film-coating articles
US4096154A (en) * 1972-06-30 1978-06-20 Ciba-Geigy Corporation Process for the manufacture of compounds containing vinyl groups
US3804797A (en) * 1972-09-13 1974-04-16 Dow Chemical Co Coating compositions comprising cyclic sulfonium zwitterions with carboxy containing polymers
US3886066A (en) * 1972-11-06 1975-05-27 Du Pont Tannin treatment for non-porous semipermeable membranes
CA1023090A (en) * 1973-03-13 1977-12-20 Maruzen Oil Co. Polyion complex and process for preparation thereof
JPS572362B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1973-03-13 1982-01-16
US3965032A (en) * 1973-04-16 1976-06-22 The Dow Chemical Company Colloidally stable dispersions
US3998776A (en) * 1973-08-29 1976-12-21 The Dow Chemical Company Isothiouronium stabilized latexes
US4001154A (en) * 1973-09-04 1977-01-04 The Dow Chemical Company Primer adhesive composition
US3877978A (en) * 1974-03-27 1975-04-15 Us Interior Semipermeable membranes
US3926798A (en) * 1974-10-17 1975-12-16 Us Interior Reverse osmosis membrane
DE2651505A1 (de) * 1976-11-11 1978-05-24 Bayer Ag Kationische elektrolytstabile dispersionen
US4020030A (en) * 1975-02-24 1977-04-26 The Dow Chemical Company Reaction products of epoxy resins, organic sulfides and protic acids
US4017372A (en) * 1975-04-21 1977-04-12 The Dow Chemical Company Process for electrodeposition of cross-linked polymer coatings
US4002586A (en) 1975-04-21 1977-01-11 The Dow Chemical Company Method for preparing cationic latexes
US4056501A (en) 1975-04-21 1977-11-01 The Dow Chemical Company Cationic structured-particle latexes
US4005012A (en) * 1975-09-22 1977-01-25 The United States Of America As Represented By The Secretary Of The Interior Semipermeable membranes and the method for the preparation thereof
US4020230A (en) 1975-10-03 1977-04-26 The Dow Chemical Company Microporous polyethylene hollow fibers and process of preparing them
US4089877A (en) 1975-10-28 1978-05-16 The Dow Chemical Company Process for producing hydroxyarylpolymethylenesulfonium salts
US4038485A (en) * 1976-03-18 1977-07-26 Miles Laboratories, Inc. Test composition, device, and method
US4230463A (en) 1977-09-13 1980-10-28 Monsanto Company Multicomponent membranes for gas separations
US4111194A (en) * 1976-12-27 1978-09-05 Rollin Webb Cox Posterior knee immobilizing brace
DE2721985A1 (de) * 1977-05-14 1978-11-16 Bayer Ag Verfahren zur herstellung von urethan- und/oder harnstoffgruppen aufweisenden polyisocyanat polyadditionsprodukten
US4265745A (en) 1977-05-25 1981-05-05 Teijin Limited Permselective membrane
US4214020A (en) 1977-11-17 1980-07-22 Monsanto Company Processes for coating bundles of hollow fiber membranes
JPS54107882A (en) * 1978-02-13 1979-08-24 Toray Ind Inc Semipermeable membrane
US4277344A (en) * 1979-02-22 1981-07-07 Filmtec Corporation Interfacially synthesized reverse osmosis membrane
US4225407A (en) * 1979-04-04 1980-09-30 The Dow Chemical Company Cathodic electrodeposition of polymers onto a conductive surface
US4214096A (en) * 1979-06-15 1980-07-22 The Dow Chemical Company Novel isothiouronium salts
US4426489A (en) * 1980-02-21 1984-01-17 The Dow Chemical Company Surface active polymeric surfactants containing side chain hydrophobes
US4337185A (en) * 1980-06-23 1982-06-29 The Dow Chemical Company Process for making cationic structured particle latexes using reactive polymeric surfactants
US4477640A (en) 1980-06-30 1984-10-16 The Dow Chemical Company Addition polymerizable aromatic sulfonium salts and polymers thereof
US4360434A (en) * 1981-01-15 1982-11-23 Teijin Limited Amphoteric ion-permeable composite membrane
US4432875A (en) * 1981-05-29 1984-02-21 Brunswick Corporation Semi-permeable membranes and processes for making the same
US4383073A (en) * 1981-08-20 1983-05-10 The Dow Chemical Company Cationic resin curable with acid catalyzed cross-linkers
US4431768A (en) * 1982-05-04 1984-02-14 The Dow Chemical Company Aqueous compositions containing organic polymers curable at low temperatures in the wet state
US4430807A (en) 1982-05-17 1984-02-14 The Dow Chemical Company Process for drying water-wet membranes
US4539373A (en) * 1982-07-12 1985-09-03 The Dow Chemical Company Thermoplastic polyelectrolyte complexes
US4415455A (en) * 1982-11-09 1983-11-15 Rohm And Haas Company Reverse osmosis membranes based on hydroxyalkyl methacrylate and methacrylic acid copolymers
JPS59115704A (ja) * 1982-12-24 1984-07-04 Toray Ind Inc 半透膜の処理法
US4444977A (en) * 1983-03-07 1984-04-24 The Dow Chemical Company Curable oxirane formulations
US4606943A (en) * 1983-03-18 1986-08-19 Culligan International Company Method for preparation of semipermeable composite membrane
JPS59186605A (ja) * 1983-04-06 1984-10-23 Oosakashi 高分子電解質錯合体膜
EP0124676A1 (en) * 1983-05-04 1984-11-14 IRD-Biomaterial AB A surface modified solid substrate and a method for its preparation
JPS6035936A (ja) * 1983-08-08 1985-02-23 Hitachi Ltd 回転電機
GB8331860D0 (en) * 1983-11-29 1984-01-04 Ici Plc Exchange membrane
DE3380299D1 (en) * 1983-12-14 1989-09-07 Dow Chemical Co A process for separating mixtures of water and an organic compoundand a water-selective permeation membrane
US4520044A (en) * 1984-07-30 1985-05-28 E. I. Du Pont De Nemours And Company Production of composite membranes
US4806189A (en) * 1984-08-13 1989-02-21 Monsanto Company Composite fluid separation membranes
EP0179474A3 (en) * 1984-10-24 1988-07-13 E.I. Du Pont De Nemours And Company Gas separation membrane and process for preparing it
JPH0647058B2 (ja) * 1985-03-13 1994-06-22 旭化成工業株式会社 気体選択透過膜
US4704324A (en) * 1985-04-03 1987-11-03 The Dow Chemical Company Semi-permeable membranes prepared via reaction of cationic groups with nucleophilic groups
US4705636A (en) * 1985-07-19 1987-11-10 The Dow Chemical Company Method of making a coating and a permselective membrane, ionic polymer therefor, and products thereof

Also Published As

Publication number Publication date
EP0220660B1 (en) 1992-03-11
ZA868031B (en) 1988-06-29
EP0220660A3 (en) 1989-10-04
IL80395A0 (en) 1987-01-30
US4797187A (en) 1989-01-10
DE3684227D1 (de) 1992-04-16
CA1298739C (en) 1992-04-14
AU573465B2 (en) 1988-06-09
JPS62502320A (ja) 1987-09-10
US4704324A (en) 1987-11-03
WO1987002682A1 (en) 1987-05-07
EP0220660A2 (en) 1987-05-06
AU6595786A (en) 1987-05-19

Similar Documents

Publication Publication Date Title
JPH0474043B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
US4839203A (en) Semi-permeable membranes prepared via reaction of cationic groups with nucleophilic groups
US4927540A (en) Ionic complex for enhancing performance of water treatment membranes
JP2727087B2 (ja) ポリアミド逆浸透膜
US4761233A (en) Novel membranes and process for making them
Cadotte et al. Interfacial synthesis in the preparation of reverse osmosis membranes
JPH0223214B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPH0218695B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
EP0056175B1 (en) Ion-permeable composite membrane and its use in selective separation
US20230060093A1 (en) High-flux water permeable membranes
JPH09508066A (ja) ポリマー膜の表面の改変方法及び改変された膜
JPS6322835A (ja) スルホン化重合体、その製法および複合膜
JPH0724277A (ja) リチウム塩形のスルホン化芳香族重合体から製造される流体分離用複合膜
JPH0724274A (ja) 改良型複合流体分離膜の製造及び使用
KR102384030B1 (ko) 이황화몰리브덴을 포함하는 유기용매 나노여과 분리막 및 그 제조방법
JPS63190603A (ja) アルカリ耐性の過度濾過膜
JPS5824447B2 (ja) 逆浸透膜の製造方法
Le et al. Zwitterionic triamine monomer for the fabrication of thin-film composite membranes
CN104245102B (zh) 高性能带正电的复合膜及其在纳滤法中的用途
JP3646362B2 (ja) 半透膜およびその製造方法
JP2769608B2 (ja) 錯イオン型の分離膜およびその製造方法
JPH1128466A (ja) 逆浸透複合膜による水の逆浸透処理方法
JPH05293345A (ja) 半透性複合膜
KR0123279B1 (ko) 염제거능이 우수한 복합반투막 및 그 제조방법
JPS6023126B2 (ja) イオン透過性複合膜およびその製造方法